All electric equipment consumption equipment at the construction site must have their own special switch boxes.
The box and internal settings of the distribution box at all levels must comply with safety regulations. The switching electrical appliances should indicate the purpose, and the box should be uniformly numbered. The power distribution box should be cut off and the door is locked. The fixed power distribution box should be set up and there are measures to prevent rain and anti -smashing measures. The working principle of the power distribution box is to assemble the switching equipment, measuring instrument, protecting electrical appliances and auxiliary equipment in a closed or semi -closed metal cabinet according to electrical wiring requirements to form a low -voltage distribution box. When running normally, you can use manual or automatic switch to connect or break the circuit. Disclosure or alarm by protecting electrical electrical cutting circuits or alarm when faulty or abnormal running. The measuring instrument can display the various parameters in the operation, and can also adjust certain electrical parameters to prompt or send a signal to the normal working state. Commonly used in various factories, buildings, and substations.
